/* Seronavel Style Sheet - Arctic Cold Concept */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.seronavelBodyMain {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #0A0D10;
    color: #E6FBFF;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.seronavelHeader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 13, 16, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(230, 251, 255, 0.2);
}

.seronavelHeaderContainer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.seronavelLogoText {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #E6FBFF;
    text-transform: uppercase;
}

/* Nav */
.seronavelNavList {
    display: flex;
    list-style: none;
    gap: 30px;
}

.seronavelNavLink {
    color: #E6FBFF;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    transition: color 0.3s ease;
    letter-spacing: 1px;
}

.seronavelNavLink:hover {
    color: #00ffe0;
}

/* Burger Menu - No JS */
.seronavelMenuCheckbox {
    display: none;
}

.seronavelMenuBtn {
    display: none;
    cursor: pointer;
    z-index: 1100;
}

/* Hero Section */
.seronavelHeroBlock {
    padding: 160px 20px 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.seronavelHeroContainer {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 60px;
}

.seronavelHeroLeft {
    flex: 1;
    min-width: 300px;
}

.seronavelHeroImg {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 0 30px rgba(230, 251, 255, 0.1);
    object-fit: cover;
}

.seronavelHeroRight {
    flex: 1.2;
    min-width: 300px;
}

.seronavelHeroTitle {
    font-size: 48px;
    line-height: 1.1;
    margin-bottom: 20px;
    color: #FFF;
    font-weight: 800;
}

.seronavelHeroSub {
    font-size: 20px;
    color: #E6FBFF;
    margin-bottom: 40px;
    opacity: 0.9;
}

.seronavelHeroTextBox {
    margin-bottom: 30px;
    padding-left: 20px;
    border-left: 2px solid #E6FBFF;
}

.seronavelHeroSubTitle {
    font-size: 22px;
    margin-bottom: 10px;
    color: #00ffe0;
}

.seronavelHeroText {
    font-size: 16px;
    color: rgba(230, 251, 255, 0.8);
}

.seronavelCtaBtn {
    display: inline-block;
    padding: 18px 40px;
    background-color: #E6FBFF;
    color: #0A0D10;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all 0.3s ease;
    margin-top: 20px;
    box-shadow: 0 0 15px rgba(230, 251, 255, 0.3);
}

.seronavelCtaBtn:hover {
    background-color: #FFF;
    box-shadow: 0 0 25px rgba(230, 251, 255, 0.6);
    transform: translateY(-2px);
}

/* Price Section */
.seronavelPriceBlock {
    padding: 100px 20px;
    background-color: #0d1116;
}

.seronavelPriceWrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.seronavelSectionTitle {
    font-size: 36px;
    text-align: center;
    margin-bottom: 15px;
    color: #FFF;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.seronavelSectionDesc {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    color: rgba(230, 251, 255, 0.7);
}

.seronavelPriceGrid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    border: 1px solid rgba(230, 251, 255, 0.1);
    padding: 40px 20px;
    border-radius: 10px;
}

.seronavelPriceCard {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    background: #0A0D10;
    border: 1px solid rgba(230, 251, 255, 0.1);
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.seronavelPriceCard:hover {
    transform: scale(1.02);
    border-color: #00ffe0;
}

.seronavelCardFeatured {
    border: 2px solid #E6FBFF;
    transform: scale(1.05);
    z-index: 2;
    box-shadow: 0 10px 40px rgba(230, 251, 255, 0.05);
}

.seronavelCardTitle {
    font-size: 18px;
    color: #00ffe0;
    margin-bottom: 15px;
}

.seronavelCardPrice {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 25px;
    color: #FFF;
}

.seronavelCardList {
    list-style: none;
    margin-bottom: 40px;
    flex-grow: 1;
}

.seronavelCardList li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(230, 251, 255, 0.05);
    font-size: 14px;
    color: rgba(230, 251, 255, 0.8);
}

.seronavelCardBtn {
    padding: 15px;
    text-align: center;
    text-decoration: none;
    border: 1px solid #E6FBFF;
    color: #E6FBFF;
    font-weight: 600;
    transition: all 0.3s ease;
}

.seronavelCardBtn:hover {
    background: #E6FBFF;
    color: #0A0D10;
}

.seronavelBtnIce {
    background: #E6FBFF;
    color: #0A0D10;
}

/* Reviews Block */
.seronavelReviewBlock {
    padding: 100px 20px;
}

.seronavelReviewContainer {
    max-width: 900px;
    margin: 0 auto;
}

.seronavelSliderContainer {
    position: relative;
    padding: 60px 40px;
    background: #11151a;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 50px;
}

.seronavelRadioHidden {
    display: none;
}

.seronavelSlides {
    display: flex;
    width: 200%;
    transition: transform 0.5s ease;
}

.seronavelQuoteItem {
    width: 50%;
    padding: 0 20px;
}

#seronavelSlide1:checked ~ .seronavelSlides {
    transform: translateX(0%);
}

#seronavelSlide2:checked ~ .seronavelSlides {
    transform: translateX(-50%);
}

.seronavelQuoteText {
    font-size: 22px;
    font-style: italic;
    color: #FFF;
    margin-bottom: 30px;
    position: relative;
}

.seronavelQuoteAuthor {
    display: flex;
    align-items: center;
    gap: 20px;
}

.seronavelAuthorImg {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid #E6FBFF;
}

.seronavelAuthorName {
    display: block;
    font-size: 18px;
    font-weight: 700;
}

.seronavelAuthorRole {
    font-size: 14px;
    color: #00ffe0;
}

.seronavelSliderControls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.seronavelControlBtn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid #E6FBFF;
    cursor: pointer;
}

#seronavelSlide1:checked ~ .seronavelSliderControls label[for="seronavelSlide1"],
#seronavelSlide2:checked ~ .seronavelSliderControls label[for="seronavelSlide2"] {
    background: #E6FBFF;
}

/* Benefits Section */
.seronavelBenefitsBlock {
    padding: 100px 20px;
    background: #0A0D10;
}

.seronavelBenefitsContainer {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 60px;
}

.seronavelBenefitsLeft {
    flex: 1.2;
    min-width: 300px;
}

.seronavelBenefitsRight {
    flex: 1;
    min-width: 300px;
}

.seronavelBenefitsIntro {
    font-size: 18px;
    margin-bottom: 30px;
    color: rgba(230, 251, 255, 0.9);
}

.seronavelBenefitsList {
    list-style: none;
}

.seronavelBenefitsList li {
    margin-bottom: 25px;
    padding-left: 30px;
    position: relative;
}

.seronavelBenefitsList li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #00ffe0;
    font-weight: bold;
}

.seronavelBenefitsImg {
    width: 100%;
    border-radius: 4px;
}

/* Target Section */
.seronavelTargetBlock {
    padding: 100px 20px;
    background: #0d1116;
}

.seronavelTargetContainer {
    max-width: 1200px;
    margin: 0 auto;
}

.seronavelTargetIntro {
    text-align: center;
    margin-bottom: 60px;
    color: rgba(230, 251, 255, 0.8);
}

.seronavelDetailedGrid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 60px;
}

.seronavelDetailedItem {
    flex: 1;
    min-width: 300px;
    background: #0A0D10;
    padding: 0 0 30px 0;
    border-bottom: 3px solid #E6FBFF;
}

.seronavelDetailImg {
    width: 100%;
    height: 250px;
    object-fit: cover;
    margin-bottom: 25px;
}

.seronavelDetailTitle {
    padding: 0 25px;
    font-size: 22px;
    margin-bottom: 15px;
    color: #00ffe0;
}

.seronavelDetailDesc {
    padding: 0 25px;
    font-size: 15px;
    color: rgba(230, 251, 255, 0.7);
}

.seronavelSimpleList {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    list-style: none;
}

.seronavelSimpleList li {
    background: rgba(230, 251, 255, 0.03);
    padding: 15px 20px;
    border-left: 2px solid #00ffe0;
}

/* Text Sections */
.seronavelTextSection {
    padding: 100px 20px;
}

.seronavelBgAlt {
    background-color: #0d1116;
}

.seronavelTextContainer {
    max-width: 900px;
    margin: 0 auto;
}

.seronavelLongText {
    font-size: 17px;
    margin-bottom: 25px;
    color: rgba(230, 251, 255, 0.8);
}

.seronavelTextList {
    margin: 30px 0 30px 20px;
}

.seronavelTextList li {
    margin-bottom: 15px;
    color: #E6FBFF;
}

.seronavelInfoBox {
    background: rgba(0, 255, 224, 0.05);
    border: 1px dashed #00ffe0;
    padding: 30px;
    margin: 40px 0;
}

.seronavelInfoTitle {
    font-size: 20px;
    margin-bottom: 10px;
    color: #00ffe0;
}

/* FAQ */
.seronavelFaqBlock {
    padding: 100px 20px;
    background-color: #0A0D10;
}

.seronavelFaqContainer {
    max-width: 800px;
    margin: 0 auto;
}

.seronavelFaqList {
    margin-top: 50px;
}

.seronavelFaqItem {
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(230, 251, 255, 0.1);
}

.seronavelFaqSummary {
    padding: 20px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: #FFF;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.seronavelFaqSummary::after {
    content: '+';
    color: #00ffe0;
    font-size: 24px;
}

.seronavelFaqItem[open] .seronavelFaqSummary::after {
    content: '-';
}

.seronavelFaqContent {
    padding: 0 20px 20px;
    color: rgba(230, 251, 255, 0.7);
}

/* Form Section */
.seronavelFormBlock {
    padding: 100px 20px;
    background: linear-gradient(180deg, #0A0D10 0%, #0d1116 100%);
}

.seronavelFormContainer {
    max-width: 600px;
    margin: 0 auto;
}

.seronavelFormTitle {
    text-align: center;
    font-size: 32px;
    margin-bottom: 10px;
}

.seronavelFormSub {
    text-align: center;
    margin-bottom: 50px;
    color: rgba(230, 251, 255, 0.7);
}

.seronavelMainForm {
    background: #11151a;
    padding: 40px;
    border: 1px solid rgba(230, 251, 255, 0.1);
}

.seronavelFormGroup {
    margin-bottom: 25px;
}

.seronavelFormLabel {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #00ffe0;
}

.seronavelFormInput, 
.seronavelFormTextarea {
    width: 100%;
    padding: 15px;
    background: #0A0D10;
    border: 1px solid rgba(230, 251, 255, 0.2);
    color: #FFF;
    border-radius: 2px;
}

.seronavelFormInput:focus, 
.seronavelFormTextarea:focus {
    border-color: #00ffe0;
    outline: none;
}

.seronavelFormTextarea {
    min-height: 120px;
    resize: vertical;
}

.seronavelFormCheckboxGroup {
    margin-bottom: 30px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.seronavelCheckboxLabel {
    font-size: 13px;
    color: rgba(230, 251, 255, 0.6);
}

.seronavelCheckboxLabel a {
    color: #E6FBFF;
}

.seronavelSubmitBtn {
    width: 100%;
    padding: 18px;
    background: #E6FBFF;
    color: #0A0D10;
    border: none;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.seronavelSubmitBtn:hover {
    background: #FFF;
    box-shadow: 0 0 20px rgba(230, 251, 255, 0.4);
}

/* Footer */
.seronavelFooter {
    padding: 80px 20px 40px;
    background: #050709;
    border-top: 1px solid rgba(230, 251, 255, 0.1);
}

.seronavelFooterContainer {
    max-width: 1200px;
    margin: 0 auto;
}

.seronavelFooterTop {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 50px;
}

.seronavelFooterLogo {
    font-size: 28px;
    font-weight: 800;
    color: #FFF;
}

.seronavelFooterInfo p {
    margin-bottom: 10px;
    color: rgba(230, 251, 255, 0.7);
}

.seronavelFooterInfo a {
    color: #00ffe0;
    text-decoration: none;
}

.seronavelFooterDivider {
    height: 1px;
    background: rgba(230, 251, 255, 0.05);
    margin-bottom: 30px;
}

.seronavelFooterBottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.seronavelCopyright {
    font-size: 14px;
    color: rgba(230, 251, 255, 0.4);
}

.seronavelFooterLinks {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.seronavelFooterLinks a {
    font-size: 12px;
    color: rgba(230, 251, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s ease;
}

.seronavelFooterLinks a:hover {
    color: #E6FBFF;
}

/* Responsive */
@media (max-width: 992px) {
    .seronavelHeroTitle { font-size: 36px; }
    .seronavelPriceCard { transform: scale(1) !important; max-width: 100%; }
}

@media (max-width: 768px) {
    .seronavelMenuBtn {
        display: block;
    }
    .seronavelNav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #0A0D10;
        transition: 0.4s;
        padding-top: 50px;
    }
    .seronavelNavList {
        flex-direction: column;
        align-items: center;
    }
    .seronavelMenuCheckbox:checked ~ .seronavelNav {
        left: 0;
    }
    .seronavelHeroBlock { padding-top: 120px; }
    .seronavelHeroContainer { flex-direction: column; text-align: center; }
    .seronavelHeroLeft { order: 2; }
    .seronavelHeroRight { order: 1; }
    .seronavelHeroTextBox { border-left: none; border-bottom: 1px solid #E6FBFF; padding: 0 0 20px; }
    .seronavelBenefitsContainer { flex-direction: column; }
}